Fluorometric response of photosynthetic microorganism consortium as potential bioindicator for heavy metals detection in water

Nurul Afiqah Khishamuddin, Wong Ling Shing, Mee Kin Chai, Betty Wan Niu Voon

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper reports the fluorometric responses of photosynthetic microorganism consortium in the detection of heavy metals (Cu and Cd). The consortium was collected from natural water body, and then exposed to different concentration of heavy metals. The response was measured based on the fluorescence signal emitted by the consortium before and after the exposure to heavy metals, with excitation and emission wavelengths set at 526 nm and 648 nm respectively. Cell suspension with optical density (OD) of 0.75 at λ = 700 nm was found to produce best response. The ability of the consortium to respond to both heavy metals within 0.01 – 10.00 mg/L was confirmed. Thus, photosynthetic microorganism consortium could be a good natural candidate as heavy metals bioindicator.

Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalEnvironmentAsia
Volume11
Issue number1
DOIs
Publication statusPublished - 01 Jan 2018

Fingerprint

Biomarkers
Heavy Metals
bioindicator
Microorganisms
microorganism
heavy metal
Water
water
Density (optical)
Body Water
Suspensions
fluorescence
Fluorescence
detection
wavelength
Wavelength

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Environmental Science(all)

Cite this

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abstract = "This paper reports the fluorometric responses of photosynthetic microorganism consortium in the detection of heavy metals (Cu and Cd). The consortium was collected from natural water body, and then exposed to different concentration of heavy metals. The response was measured based on the fluorescence signal emitted by the consortium before and after the exposure to heavy metals, with excitation and emission wavelengths set at 526 nm and 648 nm respectively. Cell suspension with optical density (OD) of 0.75 at λ = 700 nm was found to produce best response. The ability of the consortium to respond to both heavy metals within 0.01 – 10.00 mg/L was confirmed. Thus, photosynthetic microorganism consortium could be a good natural candidate as heavy metals bioindicator.",
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Fluorometric response of photosynthetic microorganism consortium as potential bioindicator for heavy metals detection in water. / Khishamuddin, Nurul Afiqah; Shing, Wong Ling; Chai, Mee Kin; Voon, Betty Wan Niu.

In: EnvironmentAsia, Vol. 11, No. 1, 01.01.2018, p. 80-86.

Research output: Contribution to journalArticle

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